Lock-nut.



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ABPLIOATION FILED JUNE 6.1907.

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UNITED sTATEs PATENT OEEIOE.

GEORGE W. BOYD, OF NASHVILLE, TENNESSEE, ASSIGNOR TO MARY F. BOYD, OF NASHVILLE, TENNESSEE.

LOCK-NUT.

Application filed J' une 6, 1907.

To all whom it may concern:

Be it known that I, GEORGE W. BOYD, a citizen of the United States, residing at Nashville, in the county of Davidson and State of Tennessee, have invented new and useful Improvements in Lock-Nuts, of which the following is a specication.

This invention relates to nut locks, and the object thereof is to provide a nut lock in a manner as hereinafter set forth which is particularly adapted for locking nuts upon the axle of a vehicle.

Further objects of the invention are to' understood that changes, variations andl modifications can be resorted to which come within the scope of the claims hereunto appended.

In describing the invention in detail reference is had to the accompanying drawings wherein like characters denote corresponding parts throughout the several views, and in which` Figure 1 is a perspective view of an axle showing the application thereto of a nut lock in accordance with this invention; Fig. 2 is a side elevation partly in section, and, Fig. 3 is a detail of the locking washer. Fig. 4 is a sectional detail of a modification.

Referring to the drawings by reference characters, 1 denotes an axle skein of known construction, upon the screw-threaded boss 2 of which is mounted the binding nut 3 provided with a ange 4 which is adapted to abut against the axle box (not shown). The screw-threaded boss 2 is formed with an opening through which is adapted to extend th lag-screw 5, the latter engaging in the ax e.

`To prevent the turning or removal of the nut 3 a washer 6 is provided which is retained in position by the lag screw 5 and is substantia ly U-shaped in contour with the vertical portions 7 8 thereof formed with angularlyspeciacation of Letters Patent.

Patented April 7, 1908. serai No. 377,630.

extending ears 9 which are adapted to engage the top of the nut. Formed integral with the portion 8 is an angular extension 10 adapted to engage one side of the nut. The slot 11 in the washer allows for the passage of the lag screw 5.

When the washer is placed in position the ears 9 prevent it from dropping down. The angular extension will prevent lateral movement of the washer and the bottom Wall 12 of the slot 11 will arrest the vertical movement of the washer. The washer is held in position through the medium of the lag screw 5, and owing to the engagement of the ears 9 with the top of the nut and the angular extension 10 with the side, it is evident that the nut will be prevented from turning upon the screw-threaded boss 2 so that there will be no danger of the nut falling ofil as would be,

the case if the washer 6 was not employed.

In the modification shown in Fig. 4 the axle is indicated by the reference character 13 and it is provided with a recess in which is mounted a hollow tubular member 14 having its outer end provided with an annular iiange 15 which abuts against the outer end of the axle 13 and is secured thereto by means of the hold-fast devices 16. The inner face of the member 14 is screw-threaded as at 17. The axle skein is indicated by the reference character 18, the binding nut by the reference character 1-9 and the washer by the reference character 20. The binding nut 19 and washer 20 are lconstructed in the same manner as those hereinbefore referred to. Extending through the washer 20 and skein 1S is a headed bolt 21 having its inner end formed with screw threads which are adapted to engage with the screw threads 17 provided on the inner face of the tubular member 14, the bolt 21 being of the la screw 5.

What claim is- Means for locking nuts on axle skeins, axles and the like, comprising the combination with the nut, of a U-shaped washer having its top formed with a pair of angularlydisposed mtegral ears extending over and engaging one side of the nut to revent the dropping down of the washer W ien in position against the outer face of the nut, said washer further provided with an angular extension engaging another side of the nut to prevent transverse movement of the washer in one direction when in position against the the equivalent lll) outer face of the nut, a Screw extending n testimony' whereof I have hereunto Set through the slot of the Washer and engaging my hand in presence of two subscribing Wit 13 in the axle for retaining the Washer against nesses.

the nut the inner face of the head of the screw bearing against the outer face of the GEORGE W' BOYD' Washer, said Washer When retained in posi- Witnesses: tion by said screw preventing the removal of L. R. SUMMITT,

the nut. f E. W. CUNNINGHAM. 

